Ursus

Ursus 4502

The Ursus 4502 is an orchard/vineyard tractor built by Ursus in Warsaw, Poland. It features a 3.9L 4-cylinder liquid-cooled diesel engine producing 59.1 hp (44.1 kW) with a PTO rated at 53.1 hp (39.6 kW). The tractor offers an 8-speed transmission with a 12-speed creeper option, mechanical rear differential lock, power steering, and mechanical drum brakes. It has a two-post ROPS with an optional cab with heat. The tractor's dimensions include a wheelbase of 88.8 inches (225 cm), length of 148 inches (375 cm), width of 56.1 inches (142 cm), and height of 99 inches (251 cm) with the cab. It weighs 4938 lbs (2239 kg) and can be ballasted to 5535 lbs (2510 kg). The hydraulic system has a capacity of 11.1 gallons (42.0 L) with a pressure of 2321 psi (160.0 bar) and pump flow of 6.9 gpm (26.1 lpm). Fuel capacity is 21.1 gallons (79.9 L). The tractor hitch is category II with position and draft control and a rear lift capacity of 2932 lbs (1329 kg). Electrical system includes a 12-volt alternator charging at 44 amps and a 90 AH battery.
Power59 hp
Foundedunknown
Model4502

Technical Specifications

Detailed specifications and technical data for Ursus 4502

Power
Engine59.1 hp (44.1 kW)
PTO (claimed)53.1 hp (39.6 kW)
Engine
Typediesel
ModelUrsus 4390
Power59.1 hp (44.1 kW)
Torque171.1 lb-ft (232.0 Nm)
Coolingliquid-cooled
Starterelectric
Cylinders4-cylinder
Rated RPM2000
Torque RPM1500
Air cleaneroil bath
Bore/Stroke3.87x5.00 inches (98 x 127 mm)
Compression16:1
Fuel systemdirect injection
Pre-heatingglow plugs
Displacement235.9 ci (3.9 L)
Oil capacity7.4 qts (7.0 L)
Starter power4 hp (3.0 kW)
Starter volts12
Coolant capacity14.7 qts (13.9 L), 16.4 qts (15.5 L) with cab heater
Capacity
Fuel21.1 gal (79.9 L)
Steering1.9 qts (1.8 L)
Hydraulic system11.1 gal (42.0 L)
Dimensions
Width56.1 inches (142 cm)
Length148 inches (375 cm)
Weight4938 lbs (2239 kg)
Wheelbase88.8 inches (225 cm)
Rear tread38.8 inches (98 cm)
Front tread43.7 inches (110 cm)
Height (cab)99 inches (251 cm)
Ballasted weight5535 lbs (2510 kg)
Clearance (drawbar)11.4 inches (28 cm)
Standard tires (ag)Front: 6.50-16. Rear: 12.4-28
Clearance (rear axle)13.6 inches (34 cm)
Electrical
Battery AH90
Battery volts12
Charging amps44
Charging volts12
Charging systemalternator
Hydraulics
Capacity11.1 gal (42.0 L)
Pressure2321 psi (160.0 bar)
Pump flow6.9 gpm (26.1 lpm)
Steering capacity1.9 qts (1.8 L)
Mechanical
ROPSTwo-post ROPS. Cab optional with available heat.
DriveTwo-wheel drive
BrakesMechanical drum brakes
Power steeringYes
Differential lockmechanical rear
Production
TypeOrchard/Vineyard tractor
Built inWarsaw, Poland
ManufacturerUrsus
Transmission
Gears8 forward and 2 reverse
Clutch305mm dry disc
Options8-speed, 12-speed creeper
Oil capacity44.4 qts (42.0 L)
Creeper transmission12 forward and 4 reverse
Tractor hitch
ControlPosition and draft control
Rear TypeII
Rear lift2932 lbs (1329 kg)
Power Take-off (PTO)
Rear PTOlive
Engine RPM540@1686
Rear PTO Type540 (1.375)